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Superdefense City Block Broad Spectrum SPF 50 Daily Energy + Face Protector Primer
Clinique
$40.00
View Product ↗Ingredients
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Dimethicone is a silicone-based ingredient that forms a smooth, protective layer on your skin. It helps lock in moisture, creates a soft feel, and is commonly used in moisturizers and primers to improve product texture and skin hydration.
Benefits
- Improves skin hydration by creating a moisture-barrier layer
- Provides a smooth, silky feel to products and on skin
- Well-tolerated by sensitive and atopic (eczema-prone) skin
- Non-greasy alternative to heavier oils
Science: Clinical studies demonstrate dimethicone is safe and well-tolerated in children with atopic dermatitis from 12 months of age. Research shows moisturizers containing dimethicone effectively improve skin hydration in mild-to-moderate atopic dermatitis patients over 14 days.
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Butylene glycol is a humectant—a type of ingredient that draws water into the skin and helps it stay hydrated. It's a small, lightweight molecule commonly used in moisturizers to improve hydration without leaving a heavy feel on the skin.
Benefits
- Increases skin hydration and moisture retention
- Lightweight and absorbs quickly
- Helps other active ingredients penetrate the skin more effectively
Science: Research demonstrates that butylene glycol, when combined with other humectants (like glycerin and hyaluronic acid) and occlusive ingredients in moisturizers, significantly improves skin hydration in both healthy skin and compromised skin conditions such as atopic dermatitis. It is recognized as a safe, effective humectant in dermatological formulations.
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Sodium hyaluronate is the salt form of hyaluronic acid, a naturally occurring substance found in your skin that acts like a moisture magnet. In skincare products, it absorbs water from the environment and binds it to your skin, helping to hydrate and plump the skin's surface.
Benefits
- Delivers intense hydration to the skin
- Helps reduce the appearance of fine lines by improving skin moisture
- Supports skin barrier function
- Suitable for all skin types, including sensitive and oily skin
Potential concerns
- In very dry climates with low humidity, it may draw moisture from deeper skin layers if not sealed with an occlusive product
- Rare allergic reactions are possible but extremely uncommon
Science: While the provided research focuses on intra-articular injections for joint health (showing good safety and efficacy), hyaluronic acid and its salt form are well-established in dermatology for topical hydration. The molecule's safety profile is well-documented across decades of use in medical and cosmetic applications, with severe adverse reactions being extremely rare.
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Caprylyl glycol is a preservative and skin-conditioning ingredient derived from coconut oil. It helps prevent bacterial and mold growth in skincare products while also providing mild hydrating and humectant benefits to the skin.
Benefits
- Helps preserve product freshness and prevent contamination
- Provides gentle humectant properties to help retain skin moisture
- Often used as a gentler alternative to traditional preservatives
Potential concerns
- Rare cases of allergic contact dermatitis have been reported in sensitive individuals
- May cause irritation in those with known sensitivity to glycols
Science: A 200-subject repeat patch test study found no delayed hypersensitivity reactions to caprylyl glycol at typical use concentrations. However, isolated case reports of allergic contact dermatitis exist, suggesting it can act as an allergen in susceptible individuals. It is widely used in infant and sensitive-skin formulations as a preservative alternative.
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BHT (butylated hydroxytoluene) is a synthetic antioxidant used in skincare products to prevent oils and other ingredients from oxidizing and going rancid. It's used at very low concentrations (0.0002% to 0.5%) to extend shelf life.
Benefits
- Prevents product degradation and extends shelf life
- Keeps formulations stable over time
- Allows use of beneficial oils without them spoiling
Potential concerns
- Can cause skin irritation or allergic reactions in sensitive individuals at higher concentrations
- May cause mild contact sensitization in some people
- Minimal systemic absorption when applied to skin, but oral ingestion studies show potential liver and kidney effects at high doses
Science: The Cosmetic Ingredient Review Expert Panel concluded BHT is safe as used in cosmetic formulations at typical concentrations. When applied to skin, BHT remains largely in the skin with minimal systemic absorption, unlike oral exposure which showed some toxic effects in animal studies at high doses.
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Disodium EDTA is a chelating agent that binds to metals and minerals in skincare formulations, helping to preserve product stability and extend shelf life. It's used in small amounts (typically under 2%) to prevent unwanted chemical reactions that could degrade the formula.
Benefits
- Stabilizes cosmetic formulations by binding trace metals
- Extends product shelf life and maintains efficacy
- Allows other skincare ingredients to work more effectively
Potential concerns
- May increase skin penetration of other ingredients by chelating calcium in the skin barrier—only a concern if combined with potentially harmful substances
- Not absorbed through skin in normal use, but inhalation from sprays was identified as a theoretical concern in safety assessments
Science: The Cosmetic Ingredient Review Expert Panel confirmed safety in 2023 based on standard use concentrations. Clinical studies show no skin absorption; however, it can affect how other chemicals penetrate the skin, so formulators must account for this when combining with other actives.
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Sodium citrate is a salt derived from citric acid that acts as a pH buffer and preservative in skincare products. It helps stabilize formulations and maintain skin compatibility by regulating acidity levels.
Benefits
- Helps maintain optimal pH balance in skincare formulas
- Preservative that extends product shelf life
- Gentle and well-tolerated by most skin types
Science: Sodium citrate is recognized as safe for topical use in cosmetics and has a long history of food and pharmaceutical applications. The research provided relates to its use as an anticoagulant in medical settings and as a buffering agent in sports nutrition, demonstrating its established safety profile across multiple industries.
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Potassium sorbate is a preservative used in skincare products to prevent the growth of mold, yeast, and some bacteria, helping extend shelf life. It's a salt derived from sorbic acid and is commonly used as a gentler alternative to stronger chemical preservatives.
Benefits
- Prevents microbial contamination and mold growth
- Generally considered milder than some other preservatives like benzalkonium chloride
- Allows products to remain effective longer without refrigeration
Potential concerns
- May cause irritation or allergic contact dermatitis in sensitive individuals
- Not suitable for preservative-free formulations
- Limited effectiveness against some bacteria compared to stronger preservatives
Science: Clinical research suggests potassium sorbate is less damaging to delicate tissues than benzalkonium chloride, making it a preferred alternative preservative in sensitive applications like eye products. However, peer-reviewed safety data specific to topical skincare use in the general population is limited.
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Phenoxyethanol is a preservative that prevents bacteria, yeast, and mold from growing in skincare products, helping them stay fresh and safe to use. It has been used safely in cosmetics for decades and is effective at very low concentrations.
Benefits
- Prevents microbial contamination and product spoilage
- Broad-spectrum antimicrobial activity against bacteria and yeast
- Minimal impact on beneficial skin bacteria when used at approved levels
Potential concerns
- Rare allergic contact dermatitis in sensitive individuals
- May cause irritation if used in products at concentrations above 1%
Science: The European Scientific Committee on Consumer Safety considers phenoxyethanol safe for all consumers, including children, at concentrations up to 1%. Adverse effects observed in animal studies required exposure levels approximately 200 times higher than those in cosmetic products, and it is classified as one of the most well-tolerated preservatives in cosmetics.
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Sodium chloride is common table salt, used in skincare products as a texture modifier, preservative, and to help balance formulations. In small amounts, it's generally well-tolerated by skin.
Benefits
- Helps preserve product stability
- Can enhance skin hydration when used in appropriate concentrations
- Improves product texture and consistency
Potential concerns
- High concentrations may irritate sensitive or compromised skin
- Excessive topical salt exposure can potentially disrupt skin barrier function
- May cause dryness or tightness in some individuals
Science: Sodium chloride is a naturally occurring electrolyte essential to skin physiology. Research indicates the skin actively regulates sodium levels through complex mechanisms involving the endothelium, immune cells, and lymphatics; however, peer-reviewed data specifically addressing topical sodium chloride in cosmetic formulations at typical use levels is limited.
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Tocopherol is a form of vitamin E, a fat-soluble antioxidant that protects skin from damage caused by free radicals and oxidative stress. It helps maintain skin's natural barrier function and is commonly used in skincare products to prevent premature aging and support overall skin health.
Benefits
- Protects skin from free radical damage and oxidative stress
- Supports skin barrier function and moisture retention
- May help reduce signs of aging caused by UV exposure and environmental damage
- Works as a lipid antioxidant to prevent degradation of skin oils
Science: Tocopherol (α-tocopherol) is recognized in peer-reviewed research as a key endogenous defense mechanism against oxidative stress in aging skin, particularly from UV-induced damage. Studies confirm it functions as a lipid-soluble antioxidant capable of preventing lipid peroxidation, with established efficacy in cosmetic and therapeutic applications.
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Trimethylsiloxysilicate is a silicone-derived ingredient that forms a lightweight, breathable film on the skin's surface. It's used in cosmetics to improve texture, increase viscosity, and help products spread evenly while providing a smooth, non-greasy finish.
Benefits
- Creates a smooth, silky texture in skincare formulations
- Helps products spread evenly and absorb without a heavy feeling
- Improves product stability and prevents caking in powders
- Forms a breathable film that conditions skin without occluding pores
Potential concerns
- Must be formulated to avoid inhalation exposure during application (particularly in powdered or spray products)
- Potential for respiratory irritation if aerosolized; use in aerosolized products requires careful safety testing
Science: The Cosmetic Ingredient Review Expert Panel concluded that trimethylsiloxysilicate is safe as used in cosmetics when formulated to prevent respiratory irritation. Research demonstrates it creates persistent, non-occlusive skin films suitable for delivery of active ingredients, making it a well-established ingredient in modern skincare formulations.
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This is a silicone-based conditioning agent that combines silicone polymers with a detergent-like component. It's designed to create a smooth, soft feel on skin and help other ingredients spread evenly across the surface.
Benefits
- Creates a smooth, silky skin feel
- Helps improve product spreadability and texture
- May reduce appearance of fine lines through a light smoothing effect
Science: Limited peer-reviewed data available for this ingredient. It is a synthetic silicone polymer used primarily for cosmetic texture and sensory benefits; typical safety concerns for silicones in skincare are minimal, though individual sensitivities are possible.
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Analysis not yet available for this ingredient.
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This is a silicone-based thickening agent and texture modifier that combines dimethicone (a lightweight silicone) with PEG polymers to create a smooth, spreadable consistency in skincare products. It helps products glide onto skin easily and gives them a silky feel without leaving a greasy residue.
Benefits
- Creates a smooth, non-greasy texture that's easy to apply
- Helps products spread evenly across the skin
- Provides a silky finish and improved product feel
Potential concerns
- May cause buildup on skin if not properly cleansed, particularly for acne-prone individuals
- Some people prefer to avoid silicones due to concern about pore clogging, though evidence is limited
Science: Limited peer-reviewed data available for this specific ingredient. Dimethicone and PEG polymers are individually well-established as safe in cosmetics; this crosspolymer combines their properties for texture enhancement. Safety profiles of both components support low irritation risk for most skin types.
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Silica is a mineral powder derived from silicon dioxide that's commonly used in skincare and makeup products. It works primarily as a texture enhancer and absorbent, helping to mattify skin, improve product feel, and absorb excess oil.
Benefits
- Mattifies skin and reduces shine
- Improves product texture and spreadability
- Absorbs excess sebum and moisture
- Creates a smooth, refined appearance
Potential concerns
- When used as nanoparticles, potential for skin penetration remains under study
- Inhalation of silica powder (primarily occupational concern) has known health risks; topical use in cosmetics is considered lower risk
- Listed among potential carcinogenic substances in cosmetic formulations, though safe use levels and regulatory limits are established in the EU and US
Science: A 2023 review of European facial cosmetics identified silica among potential carcinogenic ingredients present in commercial products, though this reflects presence rather than proven harm at typical use concentrations. Research on silica nanoparticles suggests they are being developed for cosmetic use, but percutaneous penetration and long-term safety data remain limited. Regulatory agencies (EU, FDA) have established safe concentration limits for cosmetic use.
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This is a silicone-based polymer that forms a lightweight, flexible film on the skin. It's created by cross-linking dimethicone (a common silicone) with vinyl dimethicone, making it more stable and long-lasting than regular silicone oils. It helps products glide smoothly and creates a silky texture.
Benefits
- Smooths skin texture and blurs fine lines temporarily
- Creates a silky, non-greasy feel
- Improves product spreadability and wear time
- Provides a light, breathable barrier
Science: Limited peer-reviewed data available for this ingredient. Cross-linked silicone polymers are widely used in cosmetics and are generally recognized as safe by regulatory agencies including the FDA and EU. They are non-irritating, non-comedogenic, and rarely cause sensitization.
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Neopentyl Glycol Diheptanoate is a synthetic emollient and skin-conditioning agent that helps soften and smooth the skin. It's an ester made from neopentyl glycol and heptanoic acid, commonly used in cosmetics to improve texture and spreadability of formulations.
Benefits
- Softens and conditions skin
- Improves product texture and ease of application
- Lightweight emollient that doesn't feel greasy
Science: Research demonstrates that Neopentyl Glycol Diheptanoate can be synthesized through enzymatic pathways with high purity (95% conversion) without additional purification steps, supporting its safety profile for cosmetic use. Limited peer-reviewed safety or efficacy data specifically addressing this ingredient's performance on human skin.
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Iron Oxides (CI 77491) is a naturally occurring mineral pigment used primarily as a colorant in cosmetics, particularly in foundations, powders, and tinted skincare products. It provides red and brown tones to makeup and doesn't serve a therapeutic skincare function—it's there to color the product.
Benefits
- Provides stable, long-lasting color
- Mineral-based alternative to synthetic dyes
- Generally well-tolerated by sensitive skin
Science: Iron Oxides are approved colorants in cosmetics by major regulatory bodies (FDA, EU) and have a long history of safe use. Limited peer-reviewed data exists specifically on topical iron oxide safety, but extensive regulatory review and decades of cosmetic use support its safety profile in this application.
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Iron Oxides (CI 77492) is a naturally derived colorant that gives products a yellow or earth-tone pigment. It's commonly used in foundations, powders, and tinted skincare products to create color and is considered a mineral pigment safe for use on skin.
Benefits
- Provides natural, stable color to skincare and makeup products
- Mineral-based alternative to synthetic dyes
- Generally well-tolerated by most skin types including sensitive skin
Science: Iron Oxides are approved colorants by regulatory bodies including the FDA and EU cosmetics regulations. Limited peer-reviewed data available specifically for this ingredient, but it has a long history of safe use in cosmetics with minimal reports of adverse reactions.
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Butyloctyl Salicylate is a conditioning agent derived from salicylic acid (the same compound used in acne treatments). In skincare products, it works as a skin and hair conditioning ingredient, helping to soften and smooth the skin's surface at typical use levels of 0.5–5%.
Benefits
- Conditions and softens skin
- Improves skin texture and smoothness
- Lightweight conditioning without heavy residue
Potential concerns
- May cause irritation or sensitization in formulations that are not properly balanced
- Some salicylates are absorbed through the skin; long-term effects of topical absorption are not extensively documented
Science: The Cosmetic Ingredient Review Expert Panel (2025) concluded that Butyloctyl Salicylate is safe in cosmetics at current use levels when formulated to be non-irritating and non-sensitizing. The ingredient has low acute toxicity via dermal exposure, though around 10% of applied salicylates may remain in the skin.
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Propylene carbonate is a clear, odorless liquid that acts as a solvent in skincare formulations, helping to dissolve and deliver other active ingredients effectively into the skin. It's also used to improve the texture and consistency of products like ointments and serums.
Benefits
- Enhances penetration and delivery of active ingredients into the skin
- Helps maintain product stability and consistency
- Allows formulation of ingredients that would otherwise be difficult to dissolve
Potential concerns
- Generally recognized as safe for topical use, but may cause irritation in sensitive individuals at high concentrations
- Limited long-term safety data specific to skincare applications in everyday consumers
Science: Research shows propylene carbonate is effective as a solvent vehicle in topical formulations, successfully delivering active pharmaceutical ingredients like fluoride and paclitaxel through the skin with good tolerability after repeated application. However, most published data focuses on pharmaceutical rather than cosmetic skincare use.
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Hydrated silica is a lightweight, porous powder form of silicon dioxide that absorbs oil and moisture from the skin's surface. In skincare products, it's commonly used as a gentle exfoliant and absorbent to help mattify skin and improve texture.
Benefits
- Gentle physical exfoliation
- Oil absorption and mattifying effect
- Improves skin texture and smoothness
Potential concerns
- May cause dryness or irritation if used excessively
- Can be irritating to sensitive or compromised skin barriers
Science: The provided research focuses on hydrated silica in biomedical and dental applications rather than cosmetic skincare. Limited peer-reviewed data is available specifically evaluating hydrated silica's safety and efficacy as a skincare ingredient in topical cosmetic formulations.
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Polyhydroxystearic acid is a thickening and stabilizing agent derived from stearic acid (a fatty acid). It helps create texture, prevent separation of ingredients, and improve the feel of skincare products on the skin.
Benefits
- Improves product texture and spreadability
- Helps stabilize emulsions and prevent separation
- Provides mild emollient properties
Science: Limited peer-reviewed data available for this ingredient. It is chemically similar to stearic acid, which has a well-established safety record in cosmetics and is approved by major regulatory bodies including the FDA and EU.
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Cetyl PEG/PPG-10/1 Dimethicone is a silicone-based emulsifier and conditioning agent that helps blend water and oil-based ingredients together in skincare products. It creates a smooth texture and helps products spread easily across the skin while providing a silky feel.
Benefits
- Improves product texture and spreadability
- Helps stabilize formulations by mixing incompatible ingredients
- Provides a smooth, non-greasy skin feel
Potential concerns
- Rare but documented cases of allergic contact dermatitis in sensitive individuals
- May cause irritation in people with silicone sensitivities
Science: A 2018 case study documented allergic contact dermatitis from this ingredient in a deodorant product, indicating it can trigger allergic reactions in susceptible individuals, though such cases appear uncommon in the general population.
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Isononyl isononanoate is a lightweight synthetic oil derived from fatty acids, used in skincare products as an emollient to soften and smooth skin. It provides a silky texture without a greasy feel, making it popular in moisturizers, serums, and foundations.
Benefits
- Softens and conditions skin
- Provides lightweight moisture without heaviness
- Improves product texture and spreadability
Science: Research shows isononyl isononanoate has a very clean chemical profile with minimal volatile compounds—mainly just the ester itself and traces of isononyl alcohol from synthesis. It is well-tolerated in cosmetic formulations and considered safe for topical use.
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Ethylhexyl Methoxycrylene is a UV filter used in sunscreens and other sun-protective products to absorb ultraviolet (UV) light and prevent it from damaging your skin. It helps protect against sun-induced aging and skin damage by converting UV rays into harmless heat.
Benefits
- Provides broad-spectrum UV protection
- Helps prevent sunburn and photoaging
- Commonly used in lightweight, non-greasy sunscreen formulations
Potential concerns
- May cause skin irritation or allergic contact dermatitis in sensitive individuals
- Potential for bioaccumulation; some regulatory bodies restrict concentration limits
- Can degrade when exposed to sunlight, reducing effectiveness over time
Science: Limited peer-reviewed data available for this ingredient. It is approved for use in sunscreens in multiple countries but is restricted in concentration (typically 10% or less) due to bioaccumulation concerns. Some studies suggest it may have endocrine-disrupting potential, though human exposure risk at typical use levels remains unclear.
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Styrene/Acrylates Copolymer is a synthetic polymer used as a film-forming and binding agent in skincare products. It creates a lightweight, flexible layer on the skin's surface that helps products adhere better and can provide a subtle smoothing or mattifying effect.
Benefits
- Improves product texture and wear
- Provides light film-forming properties for a smooth finish
- Helps bind other ingredients together
Potential concerns
- Potential for buildup with repeated layering
- May feel occlusive on sensitive or acne-prone skin if overused
Science: Limited peer-reviewed data available for this ingredient. Styrene/Acrylates Copolymers are widely used in cosmetics and generally recognized as safe by regulatory bodies, though individual sensitivities can vary.
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